AUTOCLAVE MOLYBDENUM CONCENTRATE (AMC). A MOLYBDENUM TRIOXIDE POWDER OF A PURITY NOT EXCEEDING 99% FOR USED IN THE METALLURGICAL INDUSTRY , SPECIFICALLY IN THE STEEL INDUSTRY AS A WAY OF INTRODUCING THE METAL MOLYBDENUM INTO STEEL. THE PROCESS TO PRODUCE THE MOLYBDENUM CONCENTRATE INVOLVES CONCENTRATING A PORPHYRY COPPER ORE DEPOSIT BY FROTH FLOTATION TO PRODUCE MOLYBDENUM DISULPHIDE. THE MOLYBDENUM DISULPHIDE IS THEN SUBJECTED TO THE MOLYBDENUM AUTOCLAVE PROCESS (MAP), WHICH IS A HYDROMETALLURGICAL PROCESS INVOLVING OXIDATION, SOLUTION PURIFICATION, CRYSTALLISATION , AND CALCINATION .

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 2613 - MOLYBDENUM ORES AND CONCENTRATES GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 261390: OTHER THAN ROASTED ALSO CLASSIFIED IN ACCORDANCE WITH CHAPTER 26, GENERAL CHAPTER NOTE 2